Casing Installation  下套管

steel casing installation  钢护筒

casing pipe installation  套管敷设

bridge installation instruction  车桥安装说明

filter installation instruction  滤清器安装说明

installation instruction  设备说明书; 安装说明

Institution institution  制度

one-address instruction; single address instruction  单地址指令

Oral instruction; Oral teaching; Verbal instruction  口授

Oral teaching; Oral instruction; Verbal instruction  口授

Verbal instruction; Oral instruction; Oral teaching  口授

( casing) stress testing tool  套管应力检测仪; 中国

12%Cr Steel Casing  12%Cr缸体

36Mn2V oil casing  36Mn2V钢石油套管

3-casing 4-exhaust  三缸四排汽

5Cr casing steel  5Cr套管用钢

a few casing and more circulating  少下多循环

adhering sand casing  粘砂套管

Adhesion Sand Casing  黏砂套管

aeroengine casing  航空发动机机匣